Attribute regfile: defines the filename for the backup of the registry (relative to the launcher)
Attribute level: defines whether the treatment is required to launch the application values: optional / required (default)

Defines a section name (key) to be deleted after restoring the original context.
By default, the section is not deleted if there are entries / keys inside.
To force the removal of the section, although there is data after restoration,put the attribute force=“yes”